Poplar trees in China adapt to climate change with innovative water-saving strategy
The researchers measured how well poplar trees in a certain area of China use water and respond to environmental conditions. They found that the trees' water use peaked during the day and decreased over the season. The trees' water use was most affected by the humidity in the air, with less sensitivity to humidity changes as the season progressed. The amount of sunlight also influenced the trees' water use. Overall, humidity was the most important factor affecting how much water the trees used throughout the growing season.